|
ABS |
alkyl benzine sulphonate |
|
a.c. |
alternating current |
|
AE |
actual evaporation |
|
ASCE |
American Society of Civil Engineers |
|
BOD |
Biochemical oxygen demand |
|
cm |
centimetre |
|
COD |
chemical oxygen demand |
|
EC |
electrical conductivity |
|
EO |
open-water evaporation |
|
ET |
potential transpiration |
|
GRP |
glass-reinforced polythene |
|
hp |
horsepower |
|
h |
hour |
|
ITCZ |
Intertropical convergence zone |
|
IDWSSD |
International Drinking Water Supply and Sanitation Decade |
|
l |
litre |
|
km |
kilometre |
|
kW |
kilowatt |
|
m |
metre |
|
mg |
milligram |
|
min |
minute |
|
mm |
millimetre |
|
NERC |
Natural Environment Research Council (U.K.) |
|
NORAD |
Norwegian Agency for International Development |
|
P - A |
pack-aquifer ratio |
|
PE |
potential evaporation |
|
PEB |
local potential evaporation |
|
PEo |
Potential evaporation as a function of radiation input, temperature and humidity. |
|
pH |
The negative logarithm of the effective hydrogen-ion concentration in gram equivalents per litre. |
|
p.s.i. |
pounds per square inch |
|
PVC |
polyvinylchloride |
|
Rc |
solar radiation |
|
Rn |
net radiation |
|
sec |
second |
|
t |
metric tonne |
|
TRRL |
Transport and Road Research Laboratory (Kenya) |
|
UNDP |
United Nations Development Programme |
|
UNESCO |
United Nations Educational, Scientific and Cultural Organisation |
|
UNITAR |
United Nations Institute for Training and Research |
|
USGS |
United States Geological Survey |
|
WMO |
World Meteorological Organisation |
|
WHO |
World Health Organisation |
